Applicare la formula: $\log_{b}\left(\frac{x}{y}\right)$$=\log_{b}\left(x\right)-\log_{b}\left(y\right)$, dove $x=\sqrt{0.34}$ e $y=\sqrt[3]{0.83}$

Applicare la formula: $\log_{b}\left(x^a\right)$$=a\log_{b}\left(x\right)$, dove $a=\frac{1}{2}$ e $x=\frac{17}{50}$

Applicare la formula: $\log_{b}\left(x^a\right)$$=a\log_{b}\left(x\right)$, dove $a=\frac{1}{3}$ e $x=\frac{83}{100}$

Applicare la formula: $\frac{a}{b}c$$=\frac{ca}{b}$, dove $a=1$, $b=3$, $c=-1$, $a/b=\frac{1}{3}$ e $ca/b=- \left(\frac{1}{3}\right)\log_{b}\left(0.83\right)$